CA3136453A1 - Anticorps anti-pd-l1 humanises - Google Patents

Anticorps anti-pd-l1 humanises Download PDF

Info

Publication number
CA3136453A1
CA3136453A1 CA3136453A CA3136453A CA3136453A1 CA 3136453 A1 CA3136453 A1 CA 3136453A1 CA 3136453 A CA3136453 A CA 3136453A CA 3136453 A CA3136453 A CA 3136453A CA 3136453 A1 CA3136453 A1 CA 3136453A1
Authority
CA
Canada
Prior art keywords
seq
variable region
chain variable
antigen
amino acid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CA3136453A
Other languages
English (en)
Inventor
Shihao Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QLSF Biotherapeutics Inc
Original Assignee
QLSF Biotherapeutics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by QLSF Biotherapeutics Inc filed Critical QLSF Biotherapeutics Inc
Publication of CA3136453A1 publication Critical patent/CA3136453A1/fr
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K16/00Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • C07K16/2827Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily against B7 molecules, e.g. CD80, CD86
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/20Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/24Immunoglobulins specific features characterized by taxonomic origin containing regions, domains or residues from different species, e.g. chimeric, humanized or veneered
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/30Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/31Immunoglobulins specific features characterized by aspects of specificity or valency multispecific
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/54F(ab')2
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/55Fab or Fab'
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/50Immunoglobulins specific features characterized by immunoglobulin fragments
    • C07K2317/56Immunoglobulins specific features characterized by immunoglobulin fragments variable (Fv) region, i.e. VH and/or VL
    • C07K2317/565Complementarity determining region [CDR]
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/60Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622Single chain antibody (scFv)
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/70Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07KPEPTIDES
    • C07K2317/00Immunoglobulins specific features
    • C07K2317/90Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/94Stability, e.g. half-life, pH, temperature or enzyme-resistance

Abstract

La présente invention concerne des molécules de liaison isolées qui se lient à PD-L1 et le bloquent, des vecteurs comprenant une molécule d'acide nucléique codant pour une séquence d'acides aminés des molécules de liaison, des cellules hôtes contenant les vecteurs, des procédés de fabrication des molécules de liaison, des compositions pharmaceutiques contenant les molécules de liaison, et des procédés d'utilisation de ces anticorps, fragments d'anticorps et dérivés et polypeptides, y compris des méthodes de traitement d'une maladie nécessitant une stimulation des réponses immunitaires y compris le cancer.
CA3136453A 2019-04-18 2020-04-17 Anticorps anti-pd-l1 humanises Pending CA3136453A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201962835764P 2019-04-18 2019-04-18
US62/835,764 2019-04-18
PCT/US2020/028862 WO2020215020A1 (fr) 2019-04-18 2020-04-17 Anticorps anti-pd-l1 humanisés

Publications (1)

Publication Number Publication Date
CA3136453A1 true CA3136453A1 (fr) 2020-10-22

Family

ID=72833033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3136453A Pending CA3136453A1 (fr) 2019-04-18 2020-04-17 Anticorps anti-pd-l1 humanises

Country Status (6)

Country Link
US (2) US11124572B2 (fr)
EP (1) EP3955925A4 (fr)
JP (1) JP2022529269A (fr)
CN (1) CN114025757A (fr)
CA (1) CA3136453A1 (fr)
WO (1) WO2020215020A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022068894A1 (fr) * 2020-09-30 2022-04-07 上海齐鲁制药研究中心有限公司 Molécule bifonctionnelle ciblant simultanément pd-l1 et vegf et son utilisation médicale
CA3191224A1 (fr) * 2020-10-16 2022-04-21 Shenda GU Composes de liaison multispecifiques se liant a pd-l1

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5530101A (en) * 1988-12-28 1996-06-25 Protein Design Labs, Inc. Humanized immunoglobulins
KR20210060670A (ko) * 2008-12-09 2021-05-26 제넨테크, 인크. 항-pd-l1 항체 및 t 세포 기능을 향상시키기 위한 그의 용도
KR20220084444A (ko) * 2012-05-31 2022-06-21 소렌토 쎄라퓨틱스, 인코포레이티드 Pd-l1에 결합하는 항원 결합 단백질
IL256245B (en) * 2015-06-16 2022-09-01 Merck Patent Gmbh Treatments that combine a pd-l1 antagonist
AU2017212717B2 (en) * 2016-01-29 2023-11-16 Yuhan Corporation Antigen binding proteins that bind PD-L1
US20190106494A1 (en) * 2016-06-13 2019-04-11 Askgene Pharma Inc. PD-L1 Specific Monoclonal Antibodies for Disease Treatment and Diagnosis
US9567399B1 (en) 2016-06-20 2017-02-14 Kymab Limited Antibodies and immunocytokines
US11168144B2 (en) * 2017-06-01 2021-11-09 Cytomx Therapeutics, Inc. Activatable anti-PDL1 antibodies, and methods of use thereof
AU2018276140A1 (en) * 2017-06-01 2019-12-19 Compugen Ltd. Triple combination antibody therapies
US11498966B2 (en) * 2017-08-09 2022-11-15 Orionis Biosciences Inc. PD-1 and PD-L1 binding agents

Also Published As

Publication number Publication date
EP3955925A4 (fr) 2023-03-22
JP2022529269A (ja) 2022-06-20
US20220112290A1 (en) 2022-04-14
WO2020215020A1 (fr) 2020-10-22
US11124572B2 (en) 2021-09-21
EP3955925A1 (fr) 2022-02-23
CN114025757A (zh) 2022-02-08
US20200332010A1 (en) 2020-10-22
US11643466B2 (en) 2023-05-09

Similar Documents

Publication Publication Date Title
US10604576B2 (en) Antibodies and immunocytokines
KR102372274B1 (ko) 세포독성 t-림프구-관련 단백질 4 (ctla-4)에 대한 신규의 단일클론 항체
CA2965745C (fr) Immunoglobulines hetero-dimeres reciblant des lymphocytes t cd3/cd38 et leurs procedes de production
JP2021020910A (ja) 多重特異的NKp46結合タンパク質
JP2020512818A (ja) 抗lag3抗体
KR20170128234A (ko) Ror1에 특이적인 항체 및 키메라 항원 수용체
TWI802633B (zh) 針對pd-1之單域抗體及其變異體
US10858442B2 (en) Antibodies that target human CD47
US11643466B2 (en) Humanized anti-PD-L1 antibodies
CN114651013A (zh) 对cd39具有特异性的结合分子及其用途
US20220064314A1 (en) Cd137 agonist antibodies and uses thereof
CN114746119A (zh) 抗-ceacam抗体及其用途
US20230146593A1 (en) Method for treatment and prophylaxis of crs in patients comprising a combination of bispecific antibodies binding to cds x cancer cell and tnf alpha or il-6 inhibitor
CA3207791A1 (fr) Anticorps anti-cd112r et son utilisation
RU2778053C2 (ru) Антитела к lag3
JP2023506593A (ja) 抗gitr抗体およびその使用
KR20230159823A (ko) Cd112r에 대한 항체 및 이의 용도

Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20220927

EEER Examination request

Effective date: 20220927

EEER Examination request

Effective date: 20220927

EEER Examination request

Effective date: 20220927

EEER Examination request

Effective date: 20220927

EEER Examination request

Effective date: 20220927